Target Audience:
        
        
            DIY enthusiasts, independent repair shops, and Jeep owners seeking in-depth knowledge for their JK Wrangler.
        
     
    
    
        
            Value Proposition:
        
        
            Provides professional-level repair information at a fraction of the cost of dealership labor or proprietary software.
        
     
    
    
        
            Feature Set:
        
        
            Comprehensive system coverage, detailed procedures, high-quality illustrations, and printable format.
        
     
    
    
        
            Usability Enhancements:
        
        
            Facilitates self-sufficiency in vehicle maintenance and repair, empowering owners to understand and fix their vehicles.
        
     
 
    
    
    
        
            Primary Coverage:
        
        
            Workshop repair and service for Jeep Wrangler JK (2007-2011)
        
     
    
        
            Engine Coverage:
        
        
            3.8L EGH V6 PETROL
        
     
    
        
            Transmission Coverage:
        
        
            4-Speed Automatic (42RLE Ultradrive), 5-Speed Automatic (Chrysler 545FE), 5-Speed Automatic (45RFE), 6-Speed Manual (Chrysler NSG370)
        
     
    
    
        
            Estimated Page Count:
        
        
            Extensive (exact number not specified, but described as 'very comprehensive')
        
     
    
    
        
            Type:
        
        
            Workshop Repair Manual / Service Manual
        
     
    
        
            Type Description:
        
        
            A complete digital resource for diagnosing, repairing, and maintaining the specified Jeep Wrangler JK models.
        
     
    
    
    
    
 
    
    
    
        
            Powertrain:
        
        
            Engine Mechanical, Engine Control, Fuel System, Ignition System, Cooling System, Exhaust System, Transmission Automatic, Transmission Manual, Transfer Case, Driveline Control, Propeller Shaft
        
     
    
        
            Chassis:
        
        
            Brake System, Hydraulic Brake, Parking Brake, Front Suspension, Rear Suspension, Steering System, Steering Wheel and Column, Frame and Chassis, Wheel and Tires
        
     
    
        
            Electrical:
        
        
            Electrical System, Starting and Charging System, Data Network, Driver Info and Control, Entertainment, Horn System, Anti-Theft System, Key-Less Entry System, Lock System, Ground Distribution, Wiring Diagram
        
     
    
        
            Body Interior Exterior:
        
        
            Body General, Doors Lids Hood Trunk, Exterior, Frame and Chassis, Glass and Windows, Interior, Mirrors, Sunroof and Convertibles, Trim and Panels, Wiper Washer Defogger
        
     
    
        
            Comfort And Climate:
        
        
            Air Conditioning, Heating System
        
     
    
        
            Safety Restraint:
        
        
            Restraint System
        
     
    
        
            Emissions:
        
        
            Emission System
        
     
    
    
        
            Repair Procedures:
        
        
            Detailed step-by-step written procedures for all major components and systems.
        
     
    
        
            Maintenance Servicing:
        
        
            Comprehensive coverage for routine maintenance and scheduled servicing.
        
     
    
        
            Troubleshooting:
        
        
            Implicitly included through detailed diagnostic information and repair steps.
        
     
    
        
            Diagnostics:
        
        
            Information pertaining to diagnostic procedures for various systems.
        
     
    
    
        
            Depth Of Coverage:
        
        
            High - Covers everything from basic maintenance to complete component rebuilds, comparable to factory technician manuals.
        
     
    
        
            Visual Aid Quality:
        
        
            Detailed exploded views, pictures, and diagrams are featured throughout.
        
     
 
    
    
    
    
    
        
            Displacement:
        
        
            3.8 Liters (230.5 cubic inches)
        
     
    
        
            Fuel Type:
        
        
            Petrol (Gasoline)
        
     
    
    
        
            Horsepower Range:
        
        
            Approximately 202 hp @ 5200 rpm (for 2007-2011 models)
        
     
    
        
            Torque Range:
        
        
            Approximately 237 lb-ft @ 4000 rpm (for 2007-2011 models)
        
     
    
    
        
            Fuel Delivery:
        
        
            Electronic Fuel Injection (EFI)
        
     
    
    
        
            Bore X Stroke:
        
        
            3.78 in x 3.41 in (96.0 mm x 86.5 mm)
        
     
    
    
        
            Engine Oil Type:
        
        
            SAE 5W-30 (Chrysler MS-6395 certified)
        
     
    
        
            Engine Oil Capacity:
        
        
            5.0 US quarts (4.7 Liters) with filter change
        
     
 
    
    
    
        
            Standard Transmission:
        
        
            N/A (multiple options covered)
        
     
    
    
        
            Optional Transmissions:
        
        
            4-Speed Automatic (42RLE Ultradrive), 5-Speed Automatic (Chrysler 545FE), 5-Speed Automatic (45RFE), 6-Speed Manual (Chrysler NSG370)
        
     
    
    
        
            42Rle Type:
        
        
            4-Speed Automatic Transmission
        
     
    
        
            42Rle Atf Type:
        
        
            ATF+4 (MS-9602)
        
     
    
        
            42Rle Capacity:
        
        
            Approximately 7.3 US quarts (6.9 Liters)
        
     
    
    
        
            545Fe Type:
        
        
            5-Speed Automatic Transmission
        
     
    
        
            545Fe Atf Type:
        
        
            ATF+4 (MS-9602) or equivalent
        
     
    
    
        
            45Rfe Type:
        
        
            5-Speed Automatic Transmission
        
     
    
        
            45Rfe Atf Type:
        
        
            ATF+4 (MS-9602) or equivalent
        
     
    
    
        
            Nsg370 Type:
        
        
            6-Speed Manual Transmission
        
     
    
        
            Nsg370 Fluid Type:
        
        
            MTF 75W-85 GL-4
        
     
    
        
            Nsg370 Capacity:
        
        
            Approximately 2.2 US quarts (2.1 Liters)
        
     
 
    
    
    
        
            Wheelbase:
        
        
            95.4 inches (2423 mm)
        
     
    
        
            Length:
        
        
            160.0 inches (4064 mm)
        
     
    
        
            Width:
        
        
            73.7 inches (1872 mm)
        
     
    
        
            Height:
        
        
            70.4 inches (1788 mm)
        
     
    
    
        
            Wheelbase:
        
        
            116.0 inches (2946 mm)
        
     
    
        
            Length:
        
        
            179.2 inches (4552 mm)
        
     
    
        
            Width:
        
        
            73.7 inches (1872 mm)
        
     
    
        
            Height:
        
        
            72.1 inches (1831 mm)
        
     
    
    
        
            Curb Weight Range:
        
        
            Approximately 3,800 - 4,100 lbs (1724 - 1860 kg)
        
     
    
    
        
            Curb Weight Range:
        
        
            Approximately 4,300 - 4,600 lbs (1950 - 2087 kg)
        
     
    
    
        
            Cargo Volume Behind Rear Seat:
        
        
            Approximately 9.6 cubic feet (0.27 cubic meters)
        
     
    
        
            Cargo Volume With Rear Seat Folded:
        
        
            Approximately 29.2 cubic feet (0.83 cubic meters)
        
     
    
    
        
            Cargo Volume Behind Rear Seat:
        
        
            Approximately 31.5 cubic feet (0.89 cubic meters)
        
     
    
        
            Cargo Volume With Rear Seat Folded:
        
        
            Approximately 82.9 cubic feet (2.35 cubic meters)
        
     
    
    
        
            Standard Tire Size Jk:
        
        
            P225/75R16 (example, varies by trim)
        
     
    
        
            Optional Tire Size Jk:
        
        
            P255/75R17, LT255/75R17, P275/65R18 (example)
        
     
    
        
            Wheel Bolt Pattern:
        
        
            5x5 inches (127 mm)
        
     
 
    
    
    
        
            NHTSA Front Impact Driver:
        
        
            4 Stars (for 2007-2011 JK models, though specific testing may vary by year)
        
     
    
        
            NHTSA Front Impact Passenger:
        
        
            4 Stars (for 2007-2011 JK models)
        
     
    
        
            NHTSA Side Impact Front Seat:
        
        
            5 Stars (for 2007-2011 JK models)
        
     
    
        
            NHTSA Side Impact Rear Seat:
        
        
            4 Stars (for 2007-2011 JK models)
        
     
    
        
            IIHS Frontal Offset Rating:
        
        
            Good (for later JK models, earlier years may vary)
        
     
    
    
        
            Active Safety Features:
        
        
            Anti-lock Braking System (ABS), Electronic Stability Control (ESC), Traction Control System (TCS)
        
     
    
    
        
            Passive Safety Features:
        
        
            Front airbags, available side curtain airbags (depending on trim/options), seatbelt pretensioners
        
     
 
    
    
    
        
            Infotainment Options:
        
        
            Available Uconnect infotainment systems with SiriusXM Satellite Radio, CD/DVD player, MP3 capability, and optional navigation system.
        
     
    
    
        
            Driver Assistance Features:
        
        
            ABS, ESC, Traction Control, Hill Start Assist (HSA), Hill Descent Control (HDC) available on some trims.
        
     
    
    
        
            Connectivity Options:
        
        
            Auxiliary input jack, optional USB port, Bluetooth connectivity for hands-free calling and audio streaming (with Uconnect).
        
     
 
    
    
        
        Service Intervals General
    
 
    
        
            Oil Change Interval:
        
        
            Every 6,000 miles (9,600 km) or 6 months, whichever comes first (under normal driving conditions).
        
     
    
        
            Tire Rotation Interval:
        
        
            Every 6,000 miles (9,600 km)
        
     
    
        
            Engine Air Filter Replacement:
        
        
            Inspect every 15,000 miles (24,000 km), replace as needed or every 30,000 miles (48,000 km).
        
     
    
        
            Cabin Air Filter Replacement:
        
        
            Inspect every 15,000 miles (24,000 km), replace as needed or every 20,000 miles (32,000 km).
        
     
    
    
        
            Coolant Type:
        
        
            Chrysler OAT (Orange) Antifreeze/Coolant, 5/150 Formula (MS-9769)
        
     
    
    
        
            Power Steering Fluid Type:
        
        
            ATF+4 (MS-9602) or equivalent
        
     
    
    
        
            Common Issues 3.8L Egh:
        
        
            Some owners report minor oil consumption, potential for EGR valve issues, and some transmission cooler line leaks on early models. Clutch wear on manual transmissions can be higher with off-road use.
        
     
    
        
            Common Issues Jk Platform:
        
        
            Water leaks into the cabin (especially around doors and windshield frame), PCM (Powertrain Control Module) failures, and suspension component wear due to off-road use are noted.
        
     
 
    
    
    
        
            Jeep Legacy:
        
        
            Jeep has a rich heritage dating back to WWII, renowned for its off-road capability and ruggedness.
        
     
    
    
        
            Jk Introduction:
        
        
            The JK generation Wrangler replaced the TJ generation. It was the first Wrangler to offer a four-door model (Wrangler Unlimited JKU) and featured a significant redesign with a more modern chassis and interior.
        
     
    
    
        
            Manufacturing Plant:
        
        
            Toledo South Assembly Plant, Toledo, Ohio, USA
        
     
    
        
            Production Period:
        
        
            The JK generation was produced from 2007 to 2018.